Background Information

Sample Size

Age Range Baseline 1

Age Totals Baseline 1

Age Range Baseline 2

Age Totals Baseline 2

School Baseline 1

School Baseline 2

Sport Baseline 1

Sport Baseline 2

Baseline Percent Increase from Test 1 to Test 2

Verbal Memory Composite Score - Baseline 2 Composite Score Increase Only

10,441 individuals (55.72%) increased their verbal memory composite score on the second baseline test administration.

Baseline 1 Summary

The average Baseline 1 score was observed to be 79 points with a standard deviation of 9.32. The minimum score was observed to be 42, and the maximum score was observed to be 99.

Baseline 1 Histogram

Baseline 2 Summary

The average Baseline 2 score was observed to be 88.76 points with a standard deviation of 8.12. The minimum score was observed to be 54, and the maximum score was observed to be 100.

Baseline 2 Histogram

Score Increase Summary

The average point increase from baseline 1 to baseline 2 was observed to be 9.76 points with a standard deviation of 6.94 points. The mininum point increase was observed to be 1, while the maximum point increase was observed to be 44.

Score Increase Histogram

Percent Increase Summary

The average percent increase from baseline 1 to baseline 2 was observed to be a 13.14% increase with a standard deviation of a 10.71% increase.

Percent Increase Density Plot

Verbal Memory Composite Score - Increase on all Five Composite Scores

This section summarizes the verbal memory composite score for the 1,653 individuals who achieved a higher score on all five composite scores of the second baseline test administration.

Baseline 1 Summary

The average Baseline 1 score was observed to be 78.19 points with a standard deviation of 9.59. The minimum score was observed to be 43, and the maximum score was observed to be 99.

Baseline 1 Histogram

Baseline 2 Summary

The average Baseline 2 score was observed to be 88.6 points with a standard deviation of 7.97. The minimum score was observed to be 56, and the maximum score was observed to be 100.

Baseline 2 Histogram

Score Increase Summary

The average point increase from baseline 1 to baseline 2 was observed to be 9.37 points with a standard deviation of 6.76 points. The mininum point increase was observed to be 1, while the maximum point increase was observed to be 44.

Score Increase Histogram

Percent Increase Summary

The average percent increase from baseline 1 to baseline 2 was observed to be a 14.27% increase with a standard deviation of a 11.69% increase.

Percent Increase Density Plot

Verbal Memory Paired T-Test Results

A paired T-test was used to compare the mean verbal memory composite scores of all 18,739 individuals who completed two baseline assessments. On average, individuals scored significantly higher on the second baseline test administration (M = 84.74) than the first baseline test administration (M = 82.63), t(18737) = -26.327, p < .01.

Boxplot

T-Test Results

## 
##  Paired t-test
## 
## data:  mem_verbal_1 and mem_verbal_2
## t = -26.327, df = 18737, p-value < 2.2e-16
## alternative hypothesis: true difference in means is not equal to 0
## 95 percent confidence interval:
##  -2.262784 -1.949192
## sample estimates:
## mean of the differences 
##               -2.105988

Baseline 1 Total Descriptive Statistics

Baseline 1 Total Score Histogram

Baseline 2 Total Descriptive Statistics

Baseline 2 Total Score Histogram

Visual Memory Composite Score - Baseline 2 Composite Score Increase Only

11,137 individuals (59.43%) increased their visual memory composite score on the second baseline test administration.

Baseline 1 Summary

The average Baseline 1 score was observed to be 68.33 points with a standard deviation of 12.13. The minimum score was observed to be 22, and the maximum score was observed to be 99.

Baseline 1 Histogram

Baseline 2 Summary

The average Baseline 2 score was observed to be 80.44 points with a standard deviation of 10.71. The minimum score was observed to be 38, and the maximum score was observed to be 100.

Baseline 2 Histogram

Score Increase Summary

The average point increase from baseline 1 to baseline 2 was observed to be 12.1 points with a standard deviation of 8.58 points. The mininum point increase was observed to be 1, while the maximum point increase was observed to be 53.

Score Increase Histogram

Percent Increase Summary

The average percent increase from baseline 1 to baseline 2 was observed to be a 19.74% increase with a standard deviation of a 17.64% increase.

Percent Increase Density Plot

Visual Memory Composite Score - Increase on all Five Composite Scores

This section summarizes the visual memory composite score for the 1,653 individuals who achieved a higher score on all five composite scores of the second baseline test administration.

Baseline 1 Summary

The average Baseline 1 score was observed to be 67.55 points with a standard deviation of 12.2. The minimum score was observed to be 26, and the maximum score was observed to be 95.

Baseline 1 Histogram

Baseline 2 Summary

The average Baseline 2 score was observed to be 80.78 points with a standard deviation of 10.32. The minimum score was observed to be 46, and the maximum score was observed to be 100.

Baseline 2 Histogram

Score Increase Summary

The average point increase from baseline 1 to baseline 2 was observed to be 13.23 points with a standard deviation of 9.04 points. The mininum point increase was observed to be 1, while the maximum point increase was observed to be 49.

Score Increase Histogram

Percent Increase Summary

The average percent increase from baseline 1 to baseline 2 was observed to be a 21.96% increase with a standard deviation of a 19.17% increase.

Percent Increase Density Plot

Visual Memory Paired T-Test Results

A paired T-test was used to compare the mean visual memory composite scores of all 18,739 individuals who completed two baseline assessments. On average, individuals scored significantly higher on the second baseline test administration (M = 76.14) than the first baseline test administration (M = 72.5), t(18738) = -38.047, p < .01.

Boxplot

T-Test Results

## 
##  Paired t-test
## 
## data:  mem_visual_1 and mem_visual_2
## t = -38.047, df = 18738, p-value < 2.2e-16
## alternative hypothesis: true difference in means is not equal to 0
## 95 percent confidence interval:
##  -3.826403 -3.451467
## sample estimates:
## mean of the differences 
##               -3.638935

Baseline 1 Total Descriptive Statistics

Baseline 1 Total Score Histogram

Baseline 2 Total Descriptive Statistics

Baseline 2 Total Score Histogram

Visual Motor Composite Score - Baseline 2 Composite Score Increase Only

14,355 individuals (76.60%) increased their visual motor composite score on the second baseline test administration.

Baseline 1 Summary

The average Baseline 1 score was observed to be 33.26 points with a standard deviation of 6.46. The minimum score was observed to be 1.13, and the maximum score was observed to be 52.88.

Baseline 1 Histogram

Baseline 2 Summary

The average Baseline 2 score was observed to be 38.81 points with a standard deviation of 6.3. The minimum score was observed to be 12.05, and the maximum score was observed to be 54.25.

Baseline 2 Histogram

Score Increase Summary

The average point increase from baseline 1 to baseline 2 was observed to be 5.55 points with a standard deviation of 3.97 points. The mininum point increase was observed to be 0.02, while the maximum point increase was observed to be 37.35.

Score Increase Histogram

Percent Increase Summary

The average percent increase from baseline 1 to baseline 2 was observed to be a 18.8% increase with a standard deviation of a 22.17% increase.

Percent Increase Density Plot

Visual Motor Composite Score - Increase on all Five Composite Scores

This section summarizes the reaction time composite score for the 1,653 individuals who achieved a higher score on all five composite scores of the second baseline test administration.

Baseline 1 Summary

The average Baseline 1 score was observed to be 32.15 points with a standard deviation of 6.26. The minimum score was observed to be 11.75, and the maximum score was observed to be 50.13.

Baseline 1 Histogram

Baseline 2 Summary

The average Baseline 2 score was observed to be 38.7 points with a standard deviation of 6.12. The minimum score was observed to be 13.3, and the maximum score was observed to be 53.25.

Baseline 2 Histogram

Score Increase Summary

The average point increase from baseline 1 to baseline 2 was observed to be 6.56 points with a standard deviation of 4.21 points. The mininum point increase was observed to be 0.02, while the maximum point increase was observed to be 32.55.

Score Increase Histogram

Percent Increase Summary

The average percent increase from baseline 1 to baseline 2 was observed to be a 22.82% increase with a standard deviation of a 21.77% increase.

Percent Increase Density Plot

Visual Motor Paired T-Test Results

A paired T-test was used to compare the reaction time composite scores of all 18,739 individuals who completed two baseline assessments. On average, individuals scored significantly higher on the second baseline test administration (M = 37.64) than the first baseline test administration (M = 34.15), t(18738) = -89.275, p < .01.

Boxplot

T-Test Results

## 
##  Paired t-test
## 
## data:  visual_motor_1 and visual_motor_2
## t = -89.275, df = 18738, p-value < 2.2e-16
## alternative hypothesis: true difference in means is not equal to 0
## 95 percent confidence interval:
##  -3.569844 -3.416455
## sample estimates:
## mean of the differences 
##                -3.49315

Baseline 1 Total Descriptive Statistics

Baseline 1 Total Score Histogram

Baseline 2 Total Descriptive Statistics

Baseline 2 Total Score Histogram

Impulse Control Composite Score - Baseline 2 Composite Score Increase Only

9,023 individuals (48.15%) increased their impulse control composite score on the second baseline test administration.

Baseline 1 Summary

The average Baseline 1 score was observed to be 9.64 points with a standard deviation of 5.36. The minimum score was observed to be 1, and the maximum score was observed to be 30.

Baseline 1 Histogram

Baseline 2 Summary

The average Baseline 2 score was observed to be 5.14 points with a standard deviation of 3.6. The minimum score was observed to be 0, and the maximum score was observed to be 27.

Baseline 2 Histogram

Score Increase Summary

The average point increase from baseline 1 to baseline 2 was observed to be 4.5 points with a standard deviation of 3.76 points. The mininum point increase was observed to be 1, while the maximum point increase was observed to be 27.

Score Increase Histogram

Percent Increase Summary

The average percent increase from baseline 1 to baseline 2 was observed to be a 46.68% increase with a standard deviation of 23.37% increase.

Percent Increase Density Plot

Impulse Control Composite Score - Increase on all Five Composite Scores

This section summarizes the impulse control composite score for the 1,653 individuals who achieved a higher score on all five composite scores of the second baseline test administration.

Baseline 1 Summary

The average Baseline 1 score was observed to be 9.98 points with a standard deviation of 5.58. The minimum score was observed to be 1, and the maximum score was observed to be 30.

Baseline 1 Histogram

Baseline 2 Summary

The average Baseline 2 score was observed to be 5.18 points with a standard deviation of 3.55. The minimum score was observed to be 0, and the maximum score was observed to be 26.

Baseline 2 Histogram

Score Increase Summary

The average point increase from baseline 1 to baseline 2 was observed to be 4.79 points with a standard deviation of 4.08 points. The mininum point increase was observed to be 1, while the maximum point increase was observed to be 25.

Score Increase Histogram

Percent Increase Summary

The average percent increase from baseline 1 to baseline 2 was observed to be a 47.13% increase with a standard deviation of a 23.26% increase.

Percent Increase Density Plot

Impulse Control Paired T-Test Results

A paired T-test was used to compare the impulse control composite scores of all 18,739 individuals who completed two baseline assessments. On average, individuals scored significantly higher on the first baseline test administration (M = 7.41) than the second baseline test administration (M = 6.99), t(18738) = 10.641, p < .001.

Boxplot

T-Test Results

## 
##  Paired t-test
## 
## data:  impulse_control_1 and impulse_control_2
## t = 10.641, df = 18738, p-value < 2.2e-16
## alternative hypothesis: true difference in means is not equal to 0
## 95 percent confidence interval:
##  0.3393532 0.4926016
## sample estimates:
## mean of the differences 
##               0.4159774

Baseline 1 Total Descriptive Statistics

Baseline 1 Total Score Histogram

Baseline 2 Total Descriptive Statistics

Baseline 2 Total Score Histogram

Reaction Time Composite Score - Baseline 2 Composite Score Increase Only

11,084 individuals (59.15%) improved their reaction time composite score on the second baseline test administration.

Baseline 1 Summary

The average Baseline 1 score was observed to be 0.67 points with a standard deviation of 0.11. The minimum score (indicating faster reaction time) was observed to be 0.44, and the maximum score (indicating slower reaction time) was observed to be 2.85.

Baseline 1 Histogram

Baseline 2 Summary

The average Baseline 2 score was observed to be 0.59 points with a standard deviation of 0.07. The minimum score was observed to be -0.18, and the maximum score was observed to be 1.03.

Baseline 2 Histogram

Score Increase Summary

The average point decrease (indicating better performance for the reaction time composite test) from baseline 1 to baseline 2 was observed to be 0.08 points with a standard deviation of 0.08 points. The mininum point decrease (indicative of better performance) was observed to be 0.01, while the maximum point decrease was observed to be 2.36.

Score Increase Histogram

Percent Increase Summary

The average percent decrease from baseline 1 to baseline 2 was observed to be a 11.36% increase with a standard deviation of a 8.36% decrease.

Percent Increase Density Plot

Reaction Time Composite Score - Increase on all Five Composite Scores

This section summarizes the reaction time composite score for the 1,653 individuals who achieved a higher score on all five composite scores of the second baseline test administration.

Baseline 1 Summary

The average Baseline 1 score was observed to be 0.67 points with a standard deviation of 0.11. The minimum score was observed to be 0.46 (indicative of faster reaction time), and the maximum score was observed to be 1.89.

Baseline 1 Histogram

Baseline 2 Summary

The average Baseline 2 score was observed to be 0.59 points with a standard deviation of 0.07. The minimum score was observed to be 0.41, and the maximum score was observed to be 0.9.

Baseline 2 Histogram

Score Increase Summary

The average point decrease from baseline 1 to baseline 2 was observed to be 0.08 points with a standard deviation of 0.08 points. The mininum point decrease was observed to be 0.01, while the maximum point decrease was observed to be 1.08.

Score Increase Histogram

Percent Increase Summary

The average percent decrease from baseline 1 to baseline 2 was observed to be a 11.33% decrease with a standard deviation of a 8.33% decrease.

Percent Increase Density Plot

Reaction Time Paired T-Test Results

A paired T-test was used to compare the reaction time composite scores of all 18,739 individuals who completed two baseline assessments. On average, individuals demonstrated a faster reaction time on the second baseline test administration (M = 0.62) than the first baseline test administration (M = 0.64), t(18737) = 27.658, p < .01.

Boxplot

T-Test Results

## 
##  Paired t-test
## 
## data:  reaction_time_1 and reaction_time_2
## t = 27.658, df = 18737, p-value < 2.2e-16
## alternative hypothesis: true difference in means is not equal to 0
## 95 percent confidence interval:
##  0.02063598 0.02378392
## sample estimates:
## mean of the differences 
##              0.02220995

Baseline 1 Total Descriptive Statistics

Baseline 1 Total Score Histogram

Baseline 2 Total Descriptive Statistics

Baseline 2 Total Score Histogram